CN219779236U - Low-cost circular heavy-current terminal and connector - Google Patents
Low-cost circular heavy-current terminal and connector Download PDFInfo
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- CN219779236U CN219779236U CN202321242860.7U CN202321242860U CN219779236U CN 219779236 U CN219779236 U CN 219779236U CN 202321242860 U CN202321242860 U CN 202321242860U CN 219779236 U CN219779236 U CN 219779236U
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- solid bar
- current terminal
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- joint structure
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- 239000007787 solid Substances 0.000 claims abstract description 50
- 238000007514 turning Methods 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052802 copper Inorganic materials 0.000 abstract description 6
- 239000010949 copper Substances 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 238000003801 milling Methods 0.000 description 3
- 238000000641 cold extrusion Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model discloses a low-cost round high-current terminal and a connector, which comprise solid bars, wherein one end of each solid bar is provided with a flat lap joint structure formed by stamping, and a hanging table is arranged at a position close to the other end of each solid bar; the middle part of the solid bar is provided with a rotation-stopping positioning bulge. The utility model is provided with a hanging table as an axial hanging structure of the terminal in the shell; the anti-rotation positioning bulge is arranged as a terminal axial fixing and anti-rotation structure; a flat lap joint structure is arranged for connecting the copper bars; the terminal is formed by stamping and cutting the copper bar, and the processing amount and the generated waste are small, so that the material cost of the terminal is reduced; the overlap joint structure is formed through stamping, so that the production efficiency is high, and the labor cost of the terminal is effectively reduced.
Description
Technical Field
The utility model relates to the technical field of new energy, in particular to a low-cost round high-current terminal and a connector.
Background
With the continuous expansion of new energy passenger car markets, vehicle-mounted high-voltage connectors are widely applied and popularized. The high-current connector is mainly applied to modules such as a battery pack, a PDU (power distribution unit), an MCU (micro control unit) and the like, is wide in application and occupies high cost in the whole vehicle. Recently, there is an increasing demand for reducing the cost of connectors, and the cost reduction of connectors and wire harnesses is important for the popularization of electric vehicles. The circular terminals of the high-current connectors in the current market still occupy the main stream, but the terminals of most connector manufacturers are formed by machining such as milling, and the like, so that the production speed is low, the productivity is low, the cost is high, the cost advantage of the product is not easy to establish, and the development of the new energy industry is not easy to develop.
Disclosure of Invention
Aiming at the defects in the background technology, the utility model provides the low-cost round high-current terminal and the connector, which combine milling and stamping processes, and compared with a simple milling process, the low-cost round high-current terminal and the connector have higher efficiency, less waste, low cost and current carrying capacity meeting the requirements of customers, and effectively improve the competitiveness of products.
The technical scheme of the utility model is realized as follows:
a low-cost round heavy-current terminal comprises a solid bar, wherein one end of the solid bar is provided with a flat lap joint structure formed by stamping, and a hanging table is arranged at a position close to the other end of the solid bar; the middle part of the solid bar is provided with a rotation-stopping positioning bulge.
Further, the hanging table is an annular protrusion formed by turning.
Further, the hanging table comprises an annular surface coaxial with the solid bar, and a conical surface formed by turning is arranged on one side, away from the flat lap joint structure, of the annular surface on the solid bar.
Further, one end of the solid bar far away from the flat lap joint structure is provided with a long reducing section formed by turning, one end of the long reducing section is connected with the small end of the conical surface, and the periphery of the long reducing section is level with the small end of the conical surface.
Further, a middle diameter reducing section formed by turning is arranged on one side, close to the flat lap joint structure, of the ring surface of the solid bar; and the diameter of the outer ring surface of the middle reducing section is equal to that of the outer ring surface of the long reducing section.
Further, the rotation-stopping positioning protrusions are arranged in a plurality, and the rotation-stopping positioning protrusions are circumferentially and uniformly distributed on the outer side of the solid bar.
Further, the rotation-stopping positioning protrusions are lug-shaped protrusions formed by extrusion on the solid bars.
Further, one end of the lug-shaped bulge far away from the flat lap joint structure is provided with a stop surface, and the stop surface is a plane perpendicular to the axis of the solid bar.
Further, two sides of the lug-shaped protrusion are extrusion-molded side planes, and the side planes are parallel to the axis of the solid bar.
A connector comprising the low cost circular high current terminal of any one of the above.
The utility model has the beneficial effects that: the utility model is provided with a hanging table as an axial hanging structure of the terminal in the shell; the anti-rotation positioning bulge is arranged as a terminal axial fixing and anti-rotation structure; a flat lap joint structure is arranged for connecting the copper bars; the terminal is formed by stamping and cutting the copper bar, and the processing amount and the generated waste are small, so that the material cost of the terminal is reduced; the overlap joint structure is formed through stamping, so that the production efficiency is high, and the labor cost of the terminal is effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
fig. 3 is a schematic side view of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 3, the low-cost round high-current terminal according to embodiment 1 of the present utility model includes a solid bar, and one end of the solid bar is formed into a flat lap joint structure 3 by punching. In the embodiment, the solid bar is a copper bar; the stamped flat bridging structure 3 has two parallel flat faces which are parallel to the axis of the solid bar. And the flat lapping structure 3 is provided with a punching hole for connecting and fixing the terminal and the copper bar. The middle part of the solid bar is formed into a rotation-stopping positioning protrusion 2 through cold extrusion molding. The other end of the solid bar is provided with a hanging table 1 near the rotation-stopping positioning protrusion 2, and the hanging table 1 is formed by turning and is used as an axial hanging structure of the terminal in the shell. The rotation-stopping positioning protrusion 2 is positioned between the flat lap joint structure 3 and the hanging table 1.
Further, as shown in fig. 2, the hanging stand 1 is a turning-formed annular protrusion.
In particular, as shown in fig. 2 and 3, the hanging table 1 comprises an annular surface 12 coaxial with the solid bar and having an equal diameter. In this embodiment, the annulus 12 is a shorter annulus on the solid rod itself. The conical surface 11 is formed by turning at the side of the solid bar, which is far away from the flat lapping structure 3, of the annular surface 12. The large end of the conical surface 11 is aligned with and connected with the annular surface 12. And, the one end that keeps away from flat overlap joint structure 3 on the solid rod is equipped with the long reducing section 5 that the turning formed, long reducing section 5 and solid rod coaxial. And one end of the long reducing section 5 is connected with the small end of the conical surface 21, the other end of the long reducing section extends to the end part of the solid bar, and the periphery of the long reducing section 5 is flush with the small end of the conical surface 21. That is, the long and reduced diameter section 5 is formed by cutting the solid bar from the small end position of the conical surface 21 to the end position of the solid bar.
Further, as shown in fig. 2 and 3, a turning intermediate diameter-reducing section 4 is arranged on the side, close to the flat lap joint structure 3, of the ring surface 12 on the solid bar, the diameter of the intermediate diameter-reducing section 4 is smaller than that of the solid bar, and the intermediate diameter-reducing section 4 forms a groove on the solid bar. And the diameter of the outer ring surface of the middle reducing section 4 is equal to that of the long reducing section 5.
Embodiment 2 differs from embodiment 1 in that, as shown in fig. 3, the rotation-stopping positioning protrusions 2 are provided in a plurality. In this embodiment, two rotation-stopping positioning projections 2 are provided. The two rotation-stopping positioning bulges 2 are circumferentially and uniformly distributed on the outer side of the solid bar.
Further, as shown in fig. 1, the rotation-stopping positioning protrusion 2 is an ear-shaped protrusion formed on the solid bar by cold extrusion, and is used as a structure for axially fixing and stopping rotation of the terminal. The lug-shaped protrusion is formed by extrusion molding from two sides to the middle on the outer side of the solid bar. During extrusion, the two sides of the lug form extrusion-formed side planes 22, and the side planes 22 are parallel to the axis of the solid bar, so that the lug extends along the axis of the solid bar.
Further, as shown in fig. 3, an end of the lug-shaped protrusion far away from the flat lapping structure 3 is provided with a stop surface 21, and the stop surface 21 is a plane perpendicular to the axis of the solid bar.
Embodiment 3, a connector comprising the low cost circular high current terminal of any of the above.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. A low cost circular high current terminal, characterized in that: comprises a solid bar, wherein one end of the solid bar is provided with a flat lap joint structure (3) formed by stamping, and a hanging table (1) is arranged at a position close to the other end; the middle part of the solid bar is provided with a rotation-stopping positioning bulge (2).
2. The low cost circular high current terminal according to claim 1, wherein: the hanging table (1) is an annular bulge formed by turning.
3. The low-cost circular high-current terminal according to claim 1 or 2, characterized in that: the hanging table (1) comprises an annular surface (12) coaxial with the solid bar, and a conical surface (11) formed by turning is arranged on one side, far away from the flat lap joint structure (3), of the annular surface (12) on the solid bar.
4. A low cost circular high current terminal according to claim 3, wherein: the one end that keeps away from flat overlap joint structure (3) on the solid rod is equipped with long reducing section (5) of turning formation, the one end of long reducing section (5) meets with conical surface (11) tip, just the periphery of long reducing section (5) is parallel and level with conical surface (11) tip.
5. The low cost round high current terminal according to claim 4, wherein: a turning middle diameter-reducing section (4) is arranged on one side, close to the flat lap joint structure (3), of the annular surface (12) of the solid bar; and the diameter of the outer ring surface of the middle diameter-reducing section (4) is equal to that of the outer ring surface of the long diameter-reducing section (5).
6. The low-cost circular high-current terminal according to claim 1 or 2 or 4 or 5, characterized in that: the rotation-stopping positioning protrusions (2) are arranged in a plurality, and the rotation-stopping positioning protrusions (2) are circumferentially and uniformly distributed on the outer side of the solid bar.
7. The low-cost circular high-current terminal according to claim 1 or 2 or 4 or 5, characterized in that: the rotation-stopping positioning bulge (2) is an ear-shaped bulge formed by extrusion on the solid bar.
8. The low cost round high current terminal according to claim 7, wherein: one end of the lug-shaped bulge far away from the flat lap joint structure (3) is provided with a stop surface (21), and the stop surface (21) is a plane perpendicular to the axis of the solid bar.
9. The low cost round high current terminal according to claim 8, wherein: the lug-shaped protrusion is provided with extrusion-shaped side planes (22) on two sides, and the side planes (22) are parallel to the axis of the solid bar.
10. A connector comprising the low-cost circular high-current terminal according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321242860.7U CN219779236U (en) | 2023-05-22 | 2023-05-22 | Low-cost circular heavy-current terminal and connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321242860.7U CN219779236U (en) | 2023-05-22 | 2023-05-22 | Low-cost circular heavy-current terminal and connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219779236U true CN219779236U (en) | 2023-09-29 |
Family
ID=88132322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321242860.7U Active CN219779236U (en) | 2023-05-22 | 2023-05-22 | Low-cost circular heavy-current terminal and connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219779236U (en) |
-
2023
- 2023-05-22 CN CN202321242860.7U patent/CN219779236U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |